42-371-36837

PRODUCING

LONGFELLOW

PECOS County · District 8 · LONGFELLOW ENERGY LP · PINON (OVERTHRUST)

Permits

2

Max Depth

9,000 ft

First Permit

1998-05-15

Latest Activity

1998-05-15

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2009-11-21

Shut-In

Plugged

P-5 Org Status: Active

!

EWA / Permit operator mismatch

Scheduling: LONGFELLOW ENERGY LP ≠ Permit: RIATA ENERGY, INC.

Resolved via: schedulingLONGFELLOW ENERGY LP

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

1998-11

Last Production

2026-07

Lease Production

Production is reported at the lease level. View production data, decline curves, and history on the lease page.

Formation Tops (4) Elevation 4,227 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
CRETACEOUS1,350 ft+2,877 ft
CABALLOS5,120 ft-893 ft
CABBALLOS5,120 ft-893 ft
2ND DIMPLE5,780 ft-1,553 ft

As reported by operators on W-2/G-1 completion filings (RRC wellbore records). Depths are measured depth; names appear as filed. Subsea = reported elevation − measured depth (negative = below sea level; vertical wellbores only). View filings & logs at RRC ↗

Perforations (2)

IntervalType
4,602–4,940 ftPerforated
5,790–6,504 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"1,470 ft370 sx
7"5,514 ft300 sx

Permit History (2)

Applications (2)

#476305 A RIATA ENERGY, INC.
received 1998-10-26
#476305 A RIATA ENERGY, INC.
received 1998-05-15

Records & Logs

3 completion filings on record · 1 with log images at RRC.

W-2/G-1 2010-02-09
W-2/G-1 1998-12-29 log on file
W-2/G-1 1999-02-09
Completion packets + logs ↗ Wellbore filings ↗

Completion packets open directly (post-2011 filings include attached logs). Log images and the UL library can't be deep-linked — clicking copies the API for you to paste.

No GPS coordinates yet

Coordinates come from the RRC GIS backfill and usually appear within days of permit issuance. Located in PECOS County.

Well Details

Well Number
1
Max Depth
9,000 ft
Drill Type
Vertical
County
PECOS
District
8
Completed
2009-11-21

Operator

Location
DALLAS
P-5 Status
X (filed 2026-03-26)
Cum Oil (all leases)
402,477 bbl
Cum Gas (all leases)
35,171,464 mcf
Activities
GTHS/G, OPRS/G, OPRS/O
Total Permits
36